public
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knife exec chef_server_backup.rb

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chef_server_backup.rb
Ruby
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#
# Author:: Joshua Timberman (<joshua@opscode.com>)
# Author:: Adam Jacob (<adam@opscode.com>)
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
 
Chef::Config[:solo] = false
 
class Opscode
class Backup
attr_accessor :backup_dir
 
def initialize
@backup_dir = Chef::Config[:knife][:chef_server_backup_dir] ? Chef::Config[:knife][:chef_server_backup_dir] : File.join(".chef", "chef_server_backup")
end
 
def backup
nodes
roles
environments
data_bags
end
 
def nodes
backup_standard("nodes", Chef::Node)
end
 
def roles
backup_standard("roles", Chef::Role)
end
 
def environments
backup_standard("environments", Chef::Environment)
end
 
def data_bags
dir = File.join(@backup_dir, "data_bags")
system("mkdir -p #{dir}")
Chef::DataBag.list.each do |bag_name, url|
system("mkdir -p #{File.join(dir, bag_name)}")
Chef::DataBag.load(bag_name).each do |item_name, url|
Chef::Log.info("Backing up data bag #{bag_name} item #{item_name}")
item = Chef::DataBagItem.load(bag_name, item_name)
File.open(File.join(dir, bag_name, "#{item_name}.json"), "w") do |dbag_file|
dbag_file.print(JSON.pretty_generate(item))
end
end
end
end
 
def backup_standard(component, klass)
dir = File.join(@backup_dir, component)
system("mkdir -p #{dir}")
klass.list.each do |component_name, url|
Chef::Log.info("Backing up #{component} #{component_name}")
component_obj = klass.load(component_name)
File.open(File.join(dir, "#{component_name}.json"), "w") do |component_file|
component_file.print(JSON.pretty_generate(component_obj))
end
end
end
 
end
end
 
b = Opscode::Backup.new
b.backup

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